31130280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2071

約数の個数: 96

約数和(自身を含む): 103577760

約数和(自身を除く): 72447480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2011, 2580, 3096, 3870, 4022, 5160, 6033, 7740, 8044, 10055, 12066, 15480, 16088, 18099, 20110, 24132, 30165, 36198, 40220, 48264, 60330, 72396, 80440, 86473, 90495, 120660, 144792, 172946, 180990, 241320, 259419, 345892, 361980, 432365, 518838, 691784, 723960, 778257, 864730, 1037676, 1297095, 1556514, 1729460, 2075352, 2594190, 3113028, 3458920, 3891285, 5188380, 6226056, 7782570, 10376760, 15565140, 31130280]

約数ペア:

[(1, 31130280), (2, 15565140), (3, 10376760), (4, 7782570), (5, 6226056), (6, 5188380), (8, 3891285), (9, 3458920), (10, 3113028), (12, 2594190), (15, 2075352), (18, 1729460), (20, 1556514), (24, 1297095), (30, 1037676), (36, 864730), (40, 778257), (43, 723960), (45, 691784), (60, 518838), (72, 432365), (86, 361980), (90, 345892), (120, 259419), (129, 241320), (172, 180990), (180, 172946), (215, 144792), (258, 120660), (344, 90495), (360, 86473), (387, 80440), (430, 72396), (516, 60330), (645, 48264), (774, 40220), (860, 36198), (1032, 30165), (1290, 24132), (1548, 20110), (1720, 18099), (1935, 16088), (2011, 15480), (2580, 12066), (3096, 10055), (3870, 8044), (4022, 7740), (5160, 6033)]